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The Bell System Technical Journal (1922-1983)

The scientific discoveries and technological innovations produced by Bell System research and engineering were critical not only to the evolution of global telecommunications but, more widely, they had a considerable impact on the technological base of the global economy and, indeed, on our daily lives.



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Bell System Technical Journal, 40: 2. March 1961 pp 453-488. Resonant Modes in a Maser Interferometer. (Fox, A.G.; Li, Tingye)
Topics: modes, mode, mirrors, plane, field, circular, phase, interferometer, confocal, mirror, normal...
Bell System Technical Journal, 38: 3. May 1959 pp 611-656. Probability of Error for Optimal Codes in a Gaussian Channel. (Shannon, Claude E.)
Topics: probability, sin, code, error, bound, exp, gaussian, asymptotic, bounds, cone, solid angle, code...
Bell System Technical Journal, 16: 2. April 1937 pp 144-164. Crosstalk Between Coaxial Transmission Lines. (Schelkunoff, S.A.; Odarenko, T.M.)
Topics: crosstalk, coaxial, impedance, transmission, outer, conductors, mutual, circuit, expression,...
Bell System Technical Journal, 16: 4. October 1937 pp 493-512. The Dielectric Properties of Insulating Materials. (Murphy, E.J.; Morgan, S.O.)
Topics: dielectric, polarizations, polarization, frequency, dispersion, atomic, dipole, constant,...
Bell System Technical Journal, 27: 3. July 1948 pp 487-509. Methods of Electromagnetic Field Analysis. (Schelkunoff, S.A.)
Topics: equations, transmission, electromagnetic, network, impedance, magnetic, field, modes, wave,...
Bell System Technical Journal, 43: 4. July 1964 pp 1311-1338. Electron Tubes for the SD Submarine Cable System. (Holdaway, V.L.; Van Haste, W. ; Walsh, E.J.)
Topics: tube, tubes, cathode, cable, heater, amplifier, voltage, electron, system, reliability, amplifier...
Bell System Technical Journal, 11: 3. July 1932 pp 411-450. Transmission Lines for Short-Wave Radio Systems. (Sterba, E.J.; Feldman, C.B.)
Topics: lines, impedance, transmission, conductor, radio, attenuation, radiated, concentric,...
Bell System Technical Journal, 18: 1. January 1939 pp 76-118. Crossbar Dial Telephone Switching System. (Scudder, F.J.; Reynolds, J.N.)
Topics: crossbar, subscriber, sender, terminating, switch, incoming, marker, link, trunk, switches,...
Bell System Technical Journal, 35: 2. March, 1956 pp 333-347. Electrolytic Shaping of Germanium and Silicon. (Uhlir, A., Jr.)
Topics: electrolytic, tlie, electrolyte, barrier, germanium, etch, current, etching, etch pits, tho
Bell System Technical Journal, 29: 2. April 1950 pp 189-250. Traveling-Wave Tubes (Second Installment). (Pierce, J.R.)
Topics: field, circuit, phase, resonators, circuits, stored, frequency, velocity, electron, transverse,...
Bell System Technical Journal, 27: 1. January 1948 pp 109-157. Statistical Properties of a Sine Wave Plus Random Noise. (Rice, S.O.)
Topics: noise, integral, sine, wave, equation, exp, spectrum, probability, properties, density, system...
Bell System Technical Journal, 36: 1 January 1957 pp 293-326. Route Selection and Cable Laying for the Transatlantic Cable System (Jack, J.S.; Leech, Capt. W.H.; Lewis, H.A.)
Topics: cable, repeater, laying, cables, repeaters, route, submarine, clarenville, system, miles, cable...
Bell System Technical Journal, 12: 4. October 1933 pp 377-430. Loudness, Its Definition, Measurement and Calculation. (Fletcher, Harvey; Munson, W.A.)
Topics: loudness, tone, intensity, frequency, values, reference, tones, level, component, levels, intensity...
The Bell System Technical Journal (1922-1983)
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Bell System Technical Journal, 1: 1. July 1922 pp 1-3. Forward.
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Topics: scientific, journal, communication, electrical, technical, articles, industries, methods, bell,...
Bell System Technical Journal, 45: 10. December 1966 pp 1775-1796. Synthesis of Band-Limited Orthogonal Signals for Multichannel Data Transmission. (Chang, Robert W.)
Topics: transmitting, transmission, signals, data, phase, characteristics, filters, orthogonal, amplitude,...
Bell System Technical Journal, 26: 2. April 1947 pp 219-317. Radar Antennas. (Friis, H.T.; Lewis, W.D.)
Topics: antenna, radar, antennas, wave, reflector, parabolic, beam, phase, array, feed, fire control,...
Bell System Technical Journal, 15: 1. January 1936 pp 113-135. Magnetic Alloys of Iron, Nickel, and Cobalt. (Elmen, G.W.)
Topics: alloys, magnetic, permeability, flux, resistivity, magnetizing, alloy, permalloy, initial,...
Bell System Technical Journal, 36: 5. September 1957 pp 1129-1207. Dynamics and Kinematics of the Laying and Recovery of Submarine Cable. (Zajac, E.E.)
Topics: cable, ship, sin, velocity, transverse, tangential, laying, tension, stationary, drag, cable...
Bell System Technical Journal, 17: 4. October 1938 pp 574-591. The Bridge Stabilized Oscillator. (Meacham, L.A.)
Topics: frequency, oscillator, bridge, circuit, phase, variations, stabilized, amplifier, filament,...
Bell System Technical Journal, 26: 4. October 1947 pp 693-817. The Radar Receiver. (Morrison, L.W., Jr.)
Topics: radar, circuit, receiver, frequency, employed, tube, signal, amplifier, deflection, output, band...
Bell System Technical Journal, 44: 4. April 1965 pp 547-588. Automatic Equalization for Digital Communication. (Lucky, R.W.)
Topics: distortion, equalizer, equalization, channel, taps, response, transversal, tap, delay, filter, tap...
Bell System Technical Journal, 39: 4 July 1960 pp 821-877. The TJ Radio Relay System (Gammie, J.; Hathaway, S.D.)
Topics: system, radio, frequency, relay, receiver, antenna, signal, transmitter, output, waveguide, bell...
Bell System Technical Journal, 5: 1. January 1926 pp 50-95. Electric Circuit Theory and the Operational Calculus Chapter VI, Propagation of Current and Voltage Along the Non-Inductive Cable. (Carson, John R.)
Topics: voltage, cable, current, propagation, equation, operational, waves, wave, values, formula, multiply...
Bell System Technical Journal, 40: 1. January 1961 pp 1-41. Proving Theorems by Pattern Recognition - II. (Wang, Hao)
Topics: row, formula, rows, cyclic, predicate, theorems, formulae, atomic, procedure, finite, finite set,...
Bell System Technical Journal, 57: 6. July-August 1978 pp 2021-2048. UNIX Time-Sharing System: Portability of C Programs and the UNIX System. (Johnson, S.C.; Ritchie, D.M.)
Topics: compiler, programs, portability, interdata, program, operating, system, unix, portable, code, unix...
Bell System Technical Journal, 41: 4. July 1962 pp 1347-1369. Generalized Confocal Resonator Theory. (Boyd, G.D.; Kogelnik, H.)
Topics: reflector, resonator, reflectors, modes, curvature, diffraction, mode, confocal, resonators,...
Bell System Technical Journal, 44: 8. October 1965 pp 1675-1698. Design Theory of Balanced Transistor Amplifiers. (Kurokawa, K.)
Topics: amplifier, balanced, directional, amplifiers, couplers, component, coupling, transistor, ports,...
Bell System Technical Journal, 35: 1 January 1956 pp 203-234. A Class of Binary Signaling Alphabets (Slepian, David)
Topics: alphabet, alphabets, elements, parity, binary, weight, element, coset, sequence, signaling, parity...
Bell System Technical Journal, 18: 4. October 1939 pp 645-723. The Quantum Physics of Solids, I. The Energies of Electrons in Crystals. (Shockley, W.)
Topics: energy, electrons, quantum, atoms, atom, lattice, band, electron, magnetic, theory, wave functions,...
Bell System Technical Journal, 39: 4 July 1960 pp 947-962. Synthesis of Driving-Point Impedances with Active RC Networks (Sandberg, I.W.)
Topics: impedance, synthesis, impedances, converter, active, network, poles, biquadratic, realization,...
Bell System Technical Journal, 22: 1. January 1943 pp 1-72. The Mathematics of Physical Properties of Crystals. (Bond, Walter L.)
Topics: matrix, sin, strain, symmetry, axis, vector, crystal, crystals, electric, axes, entirely analogous,...
Bell System Technical Journal, 16: 1. January 1937 pp 35-44. The Physical Reality of Zenneck's Surface Wave. (Wise, W. Howard)
Topics: wave, surface, zenneck, asymptotic, series, sin, tilt, plane, vertical, dipole, wave antennas,...
Bell System Technical Journal, 29: 1 January 1950 pp 1-59. Traveling-Wave Tubes (Pierce, J. R.)
Topics: helix, wave, velocity, electron, field, impedance, circuit, helically, conducting, phase, helically...
Bell System Technical Journal, 54: 1. January 1975 pp 103-142. Space-Diversity Engineering. (Vigants, A.)
Topics: antenna, fading, diversity, fade, frequency, threshold, multipath, antennas, ghz, switching,...
Bell System Technical Journal, 37: 2. March, 1958 pp 485-569. The Measurement of Power Spectra from the Point of View of Communications Engineering - Part II. (Blackman, R.B.; Tukey, J.W.)
Topics: power, spectral, spectra, frequency, density, function, ave, spectrum, estimates, corresponding,...
Bell System Technical Journal, 2: 3. July 1923 pp 112-140. Telephone Equipment for Long Cable Circuits. (Demarest, Charles S.)
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Topics: cable, equipment, repeater, signaling, jacks, mounted, circuits, apparatus, circuit, testing,...
Bell System Technical Journal, 43: 6. November 1964 pp 3009-3057. Prolate Spheroidal Wave Functions, Fourier Analysis and Uncertainty - IV: Extensions to Many Dimensions; Generalized Prolate Spheroidal Functions. (Slepian, David)
Topics: spheroidal, prolate, functions, wave, eigenfunctions, solution, asymptotic, equation, fourier,...
Bell System Technical Journal, 18: 4. October 1939 pp 724-741. Dial Clutch of the Spring Type. (Wiebusch, C.F.)
Topics: spring, torque, arbor, stress, equation, wire, stresses, clutch, fibers, values, stress...
Bell System Technical Journal, 57: 10. December 1978 pp 3531-3537. Contributors to this Issue.
Topics: bell, data, transaction, tau, systems, eta, beta, kappa, phi, design, executive director, digital...
Bell System Technical Journal, 55: 9. November 1976 pp 1389-1410. Multiple Tone Parameter Estimation From Discrete-Time Observations. (Rife, D.C.; Boorstyn, R.R.)
Topics: estimation, frequency, bounds, tones, window, theorem, complex, tone, parameter, bias, window...
Bell System Technical Journal, 20: 1. January 1941 pp 1-61. Single Sampling and Double Inspection Tables. (Dodge, H.F.; Romig, H.G.)
Topics: ooo, sampling, inspection, defective, values, sss, average, aoql, sample, tolerance, single...
Bell System Technical Journal, 9: 1. January 1930 pp 150-162. Notes on the Heaviside Operational Calculus. (Carson, John R.)
Topics: heaviside, operational, equation, integral, fourier, singularities, calculus, solution, divergent,...
Bell System Technical Journal, 5: 4. October 1926 pp 593-603. Quality Control Charts. (Shewhart, W.A.)
Topics: product, observed, sample, quality, data, probability, control, values, assignable, uniform,...
Bell System Technical Journal, 53: 10. December 1974 pp 1897-1899. L5 Coaxial-Carrier Transmission System, Foreword.
Topics: system, coaxial, transmission, bell, systems, capacity, repeater, cable, increased, foreword, bell...
Bell System Technical Journal, 40: 1. January 1961 pp 233-254. Noncylindrical Helix Waveguide. (Unger, H.G.)
Topics: waveguide, helix, circular, loss, wave, deformation, mode, electric, perturbation, metallic,...
Bell System Technical Journal, 2 April 1948 pp 183-246. Microwave Repeater Research (Friis, H.T.)
Topics: repeater, amplifier, frequency, antenna, microwave, signal, transmission, output, fading,...
Bell System Technical Journal, 29: 1 January 1950 pp 94-104. Realization of a Constant Phase Difference (Darlington, Sidney)
Topics: phase, tan, constant, corresponding, roots, networks, elliptic, modulus, function, approximation,...
Bell System Technical Journal, 5: 2. April 1926 pp 336-384. Electric Circuit Theory and the Operational Calculus Chapter IX, The Finite Line with Terminal Impedances. (Carson, John R.)
Topics: circuit, solution, integral, equation, series, fourier, impedance, current, variable, indicial,...
Bell System Technical Journal, 34: 5. September 1955 pp 995-1043. Conversion of Maxwell's Equations into Generalized Telegraphist's Equations. (Schelkunoff, S.A.)
Topics: equations, modes, transmission, generalized, conducting, series, field, mode, transverse, waves,...
Bell System Technical Journal, 10: 4. October 1931 pp 616-627. Audible Frequency Ranges of Music, Speech and Noise. (Snow, W.B.)
Topics: frequency, audible, frequencies, cycles, observers, bass, range, ranges, tests, noises, audible...
Bell System Technical Journal, 48: 6. July-August 1969 pp 1937-1955. Some Basic Characteristics of Broadband Negative Resistance Oscillator Circuits. (Kurokawa, K.)
Topics: sin, oscillators, equations, frequency, locking, oscillation, equation, oscillator, device,...
Bell System Technical Journal, 20: 3. July 1941 pp 255-292. Industrial Mathematics. (Fry, Thornton C.)
Topics: mathematical, mathematics, industrial, mathematician, bell, journal, theory, mathematicians,...
Bell System Technical Journal, 44: 3. March 1965 pp 455-494. Imaging of Optical Modes -- Resonators with Internal Lenses. (Kogelnik, Herwig)
Topics: beam, lens, optical, focal, modes, resonators, parameters, resonator, diffraction, plane, principal...
Bell System Technical Journal, 7: 4. October 1928 pp 639-707. The Practical Application of the Fourier Integral. (Campbell, George A.)
Topics: coefficient, exp, fourier, integral, pairs, cisoidal, unit, pair, erfc, impulse, bell system, unit...
Bell System Technical Journal, 29: 1 January 1950 pp 1-59. Traveling-Wave Tubes (Pierce, J. R.)
Topics: log, probability, exp, encoding, signal, values, random, noise, integration, integral, technical...
Bell System Technical Journal, 57: 6. July-August 1978 pp 1931-1946. UNIX Time-Sharing System: UNIX Implementation. (Thompson, K.)
Topics: process, file, system, user, processes, data, device, unix, block, table, system technical, bell...
Bell System Technical Journal, 37: 4. July 1958 pp 899-912. Circular Waveguide Taper of Improved Design. (Unger, Hans-Georg)
Topics: taper, waveguide, mode, cylindrical, cone, transition, circular, waves, equations, modes, system...
Bell System Technical Journal, 25: 3. July 1946 pp 408-434. High Q Resonant Cavities for Microwave Testing. (Wilson, I.G.; Schramm, C.W.; Kinzer, J.P.)
Topics: cavity, mode, modes, frequency, cavities, kmc, radar, resonant, echo, coupling, operating area, kmc...
Bell System Technical Journal, 22: 3. October 1943 pp 269-277. Effect of Feedback on Impedance. (Blackman, R.B.)
Topics: feedback, impedance, terminals, fop, connected, amplifier, tube, grid, network, formula, bell...
Bell System Technical Journal, 27: 1. January 1948 pp 96-108. A Note on Parallel-Tuned Transformer Design. (Rideout, V.C.)
Topics: transformer, matched, design, transmission, bandwidth, ratio, formulas, mismatched, frequency,...
Bell System Technical Journal, 56: 3. March 1977 pp 355-366. Photon Tube - An Optical-Fiber Time-Domain Reflectometer. (Personick, S.D.)
Topics: fiber, optical, echo, gating, scattering, pulse, scan, rayleigh, photomultiplier, trace, bell...
Bell System Technical Journal, 37: 1. January 1958 pp 185-282. The Measurement of Power Spectra from the Point of View of Communications Engineering - Part I. (Blackman, R.B.; Tukey, J.W.)
Topics: frequency, spectrum, function, spectra, measurement, fourier, spectral, power, values, estimates,...
Bell System Technical Journal, 38: 4. July 1959 pp 985-999. Representation of Switching Circuits by Binary-Decision Programs. (Lee, C.Y.)
Topics: switching, program, variables, boolean, binary, computation, circuit, programs, theorem, lemma,...
Bell System Technical Journal, 47: 5. May-June 1968 pp 623-650. Design of Monopulse Antenna Difference Patterns with Low Sidelobes. (Bayliss, E.T.)
Topics: sidelobe, pattern, aperture, difference, sidelobes, antenna, asymptotic, function, angle,...
Bell System Technical Journal, 34: 1 January 1955 pp 5-103. Behavior and Applications of Ferrites in the Microwave Region (Fox, A.G.; Miller, S.E.; Weiss, M.T.)
Topics: ferrite, phase, magnetic, rotation, polarized, waveguide, field, dielectric, loss, faraday, faraday...
Bell System Technical Journal, 49: 8. October 1970 pp 1609-1625. On the Distribution of Numbers. (Hamming, R.W.)
Topics: distribution, reciprocal, numbers, exponents, density, error, distributions, mantissas,...
Bell System Technical Journal, 57: 6. July-August 1978 pp 2087-2101. UNIX Time-Sharing System: UNIX on a Microprocessor. (Lycklama, H.)
Topics: system, lsx, unix, file, memory, floppy, programs, user, program, software, user programs, unix...
Bell System Technical Journal, 40: 3. May 1961 pp 669. A Block Diagram Compiler. (Kelly, John L. Jr.; Lochbaum, Carol; Vyssotsky, V.A.)
Topics: blodi, output, program, delay, input, box, compiler, signal, loop, circuit, uncompiled boxes,...
Bell System Technical Journal, 16: 3. July 1937 pp 337-419. A Multiple Unit Steerable Antenna for Short-Wave Reception. (Friis, H.T.; Feldman, C.B.)
Topics: musa, antenna, antennas, delay, steerable, wave, noise, phase, improvement, waves, automatic gain,...
Bell System Technical Journal, 2: 4. October 1923 pp 31-100. Thermionic Vacuum Tubes and Their Applications. (King, Robert W.)
Topics: grid, circuit, tube, voltage, tubes, vacuum, thermionic, frequency, filament, amplifier, high...
Bell System Technical Journal, 15: 1. January 1936 pp 63-91. The Present Status of Ferromagnetic Theory. (Bozorth, R.M.)
Topics: magnetic, magnetization, direction, crystal, iron, permeability, spins, ferromagnetic, domains,...
Bell System Technical Journal, 35: 2. March, 1956 pp 295-332. Transistor Circuits for Analog and Digital Systems. (Blecher, Franklin H.)
Topics: input, voltage, circuit, loop, amplifier, transistor, tlie, output, input voltage, diode, active...
Bell System Technical Journal, 7: 3. July 1928 pp 438-534. Distortion Correction in Electrical Circuits with Constant Resistance Recurrent Networks. (Zobel, Otto J.)
Topics: attenuation, network, phase, impedance, constant, frequency, distortion, networks, correction,...
Bell System Technical Journal, 28: 2. April 1949 pp 239-277. Physical Principles Involved in Transistor Action. (Bardeen, J.; Brattain, W.H.)
Topics: emitter, current, collector, germanium, holes, conductivity, surface, transistor, barrier, layer,...
Bell System Technical Journal, 8: 1. January 1929 pp 1-2. Decibel--The Name for the Transmission Unit. (Martin, W.H.)
Topics: transmission, unit, telephone, decimal, naperian, power, bell, ratio, logarithms, administrations,...